Alpha v4.2.1: the Lore Update

This is a minor update, but it makes the look and feel of the game so much better! It was originally supposed to be focused on improving the game's narrative, and there's some of that, but I also made a lot of graphical improvements.

Full changelog:

• The cutscene where the museum curator introduces the Knights of Threm is now less wordy
• Items can now be given to NPCs! The museum curator has a lot to say about things you might find.
• Animated tiles now exist! Fountains pour water, torches flicker, ominous floating cracked pillars... exist
• Countless small improvements to tilesets with the goal of making the world feel more immersive, distinctive, and lived-in